STM32G031F6 datasheet(26/117 Pages) STMICROELECTRONICS

26 / 117 page

Functional overview

STM32G031x4/x6/x8

26/117

DS12992 Rev 2

can also be seen as a complete general-purpose timer. The four independent channels can

be used for:

•

input capture

•

output compare

•

PWM output (edge or center-aligned modes) with full modulation capability (0-100%)

•

one-pulse mode output

In debug mode, the advanced-control timer counter can be frozen and the PWM outputs

disabled, so as to turn off any power switches driven by these outputs.

Many features are shared with those of the general-purpose TIMx timers (described in

Section 3.16.2) using the same architecture, so the advanced-control timers can work

together with the TIMx timers via the Timer Link feature for synchronization or event

chaining.

3.16.2

General-purpose timers (TIM2, 3, 14, 16, 17)

There are five synchronizable general-purpose timers embedded in the device (refer to

Table 7 for comparison). Each general-purpose timer can be used to generate PWM outputs

or act as a simple timebase.

•

TIM2, TIM3

These are full-featured general-purpose timers:

–

TIM2 with 32-bit auto-reload up/downcounter and 16-bit prescaler

–

TIM3 with 16-bit auto-reload up/downcounter and 16-bit prescaler

They have four independent channels for input capture/output compare, PWM or one-

pulse mode output. They can operate in combination with other general-purpose timers

via the Timer Link feature for synchronization or event chaining. They can generate

independent DMA request and support quadrature encoders. Their counter can be

frozen in debug mode.

•

TIM14

This timer is based on a 16-bit auto-reload upcounter and a 16-bit prescaler. It has one

channel for input capture/output compare, PWM output or one-pulse mode output. Its

counter can be frozen in debug mode.

•

TIM16, TIM17

These are general-purpose timers featuring:

–

16-bit auto-reload upcounter and 16-bit prescaler

–

1 channel and 1 complementary channel

All channels can be used for input capture/output compare, PWM or one-pulse mode

output. The timers can operate together via the Timer Link feature for synchronization

or event chaining. They can generate independent DMA request. Their counters can

be frozen in debug mode.

3.16.3

Low-power timers (LPTIM1 and LPTIM2)

These timers have an independent clock. When fed with LSE, LSI or external clock, they

keep running in Stop mode and they can wake up the system from it.

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